4 // Fraunhofer Institute for Open Communication Systems (FOKUS)
5 // Competence Center NETwork research (NET), St. Augustin, GERMANY
6 // Stefan Bund <g0dil@berlios.de>
8 // This program is free software; you can redistribute it and/or modify
9 // it under the terms of the GNU General Public License as published by
10 // the Free Software Foundation; either version 2 of the License, or
11 // (at your option) any later version.
13 // This program is distributed in the hope that it will be useful,
14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 // GNU General Public License for more details.
18 // You should have received a copy of the GNU General Public License
19 // along with this program; if not, write to the
20 // Free Software Foundation, Inc.,
21 // 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
24 \brief INet6Address non-inline non-template implementation */
26 #include "INet6Address.hh"
27 #include "INet6Address.ih"
30 #include <sys/types.h>
31 #include <sys/socket.h>
32 #include <netinet/in.h>
33 #include <arpa/inet.h>
35 #include <boost/lexical_cast.hpp>
37 //#include "INet6Address.mpp"
39 ///////////////////////////////cc.p////////////////////////////////////////
41 ///////////////////////////////////////////////////////////////////////////
44 prefix_ senf::INet6Address senf::INet6Address::from_string(std::string const & s,
48 if (::inet_pton(AF_INET6,s.c_str(),&ina) > 0)
49 return senf::INet6Address::from_data(&ina.s6_addr[0]);
52 throw AddressSyntaxException();
56 // If available, we use the reentrant GNU variant. This has the additional advantage, that we
57 // can explicitly ask for IPv4 addresses
61 struct hostent entbuf;
63 struct hostent * ent (0);
64 ::gethostbyname2_r(s.c_str(), AF_INET6, &entbuf, buffer, sizeof(buffer), &ent, &herr);
69 static boost::mutex mutex;
70 boost::mutex::scoped_lock lock(mutex);
72 struct hostent * ent (::gethostbyname(s.c_str()));
77 if (ent && ent->h_addrtype == AF_INET6)
78 // We are only interested in the first address ...
79 return senf::INet6Address::from_data(
80 &reinterpret_cast<in6_addr*>(*(ent->h_addr_list))->s6_addr[0]);
82 if (resolve == ResolveINet4)
83 return from_inet4address(INet4Address::from_string(s));
85 throw UnknownHostnameException(s);
88 prefix_ in6_addr senf:: INet6Address::toin6_addr() const {
90 std::copy((*this).begin(), (*this).end(), &ina.s6_addr[0]);
94 prefix_ std::string senf::INet6Address::toString() const {
96 ::in6_addr ina = (*this).toin6_addr();
97 ::inet_ntop(AF_INET6, & ina , buffer, sizeof(buffer));
98 buffer[sizeof(buffer)-1] = 0;
102 prefix_ std::ostream & senf::operator<<(std::ostream & os, INet6Address const & addr)
104 os << addr.toString();
109 senf::INet6Address const senf::INet6Address::None;
110 senf::INet6Address const senf::INet6Address::Loopback (0u,0u,0u,0u,0u,0u,0u,1u);
111 senf::INet6Address const senf::INet6Address::AllNodes (0xFF02u,0u,0u,0u,0u,0u,0u,1u);
112 senf::INet6Address const senf::INet6Address::AllRouters (0xFF02u,0u,0u,0u,0u,0u,0u,2u);
114 ///////////////////////////////////////////////////////////////////////////
115 // senf::INet6Network
117 prefix_ senf::INet6Network::INet6Network(std::string s)
119 using boost::lambda::_1;
120 using boost::lambda::_2;
121 std::string::size_type i (s.find('/'));
122 if (i == std::string::npos)
123 throw AddressSyntaxException();
125 prefix_len_ = boost::lexical_cast<unsigned>(std::string(s,i+1));
126 } catch (boost::bad_lexical_cast const &) {
127 throw AddressSyntaxException();
129 address_ = INet6Address::from_string(std::string(s, 0, i));
130 detail::apply_mask(prefix_len_, address_.begin(), address_.end(), _1 &= _2);
133 ///////////////////////////////cc.e////////////////////////////////////////
135 //#include "INet6Address.mpp"
141 // comment-column: 40
142 // c-file-style: "senf"
143 // indent-tabs-mode: nil
144 // ispell-local-dictionary: "american"
145 // compile-command: "scons -u test"